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  <title>Get the number of rows affected or returned by a query</title>

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</div><hr /><div id="function.ingres-num-rows" class="refentry">
 <div class="refnamediv">
  <h1 class="refname">ingres_num_rows</h1>
  <p class="verinfo">(PHP 4 &gt;= 4.0.2, PHP 5 &lt;= 5.0.5, PECL ingres &gt;= 1.0.0)</p><p class="refpurpose"><span class="refname">ingres_num_rows</span> &mdash; <span class="dc-title">Get the number of rows affected or returned by a query</span></p>

 </div>
 
 <div class="refsect1 description" id="refsect1-function.ingres-num-rows-description">
  <h3 class="title">说明</h3>
  <div class="methodsynopsis dc-description">
   <span class="type">int</span> <span class="methodname"><strong>ingres_num_rows</strong></span>
    ( <span class="methodparam"><span class="type">resource</span> <code class="parameter">$result</code></span>
   )</div>

  <p class="para rdfs-comment">
   This function primarily is meant to get the number of rows
   modified in the database. However, it can be used to retrieve the number of
   rows to fetch for a SELECT statement.
  </p>
  <blockquote class="note"><p><strong class="note">Note</strong>: 
   <p class="para">
    If <a href="ingres.configuration.html#ini.ingres.scrollable" class="link">scrollable cursors</a> are disabled and
    this function is called before
    using <span class="function"><a href="function.ingres-fetch-array.html" class="function">ingres_fetch_array()</a></span>,
    <span class="function"><a href="function.ingres-fetch-object.html" class="function">ingres_fetch_object()</a></span>, or
    <span class="function"><a href="function.ingres-fetch-row.html" class="function">ingres_fetch_row()</a></span>, the server will delete
    the result&#039;s data and the script will be unable to get them.
   </p>
   <p class="para">
    Instead, you should retrieve the result&#039;s data using one of
    these fetch functions in a loop until it returns <strong><code>FALSE</code></strong>,
    indicating that no more results are available.
   </p>
  </p></blockquote>
 </div>


 <div class="refsect1 parameters" id="refsect1-function.ingres-num-rows-parameters">
  <h3 class="title">参数</h3>
  <p class="para">
   <dl>

    
     <dt>
<em><code class="parameter">result</code></em></dt>

     <dd>

      <p class="para">
       The result identifier for a query
      </p>
     </dd>

    
   </dl>

  </p>
 </div>


 <div class="refsect1 returnvalues" id="refsect1-function.ingres-num-rows-returnvalues">
  <h3 class="title">返回值</h3>
  <p class="para">
   For delete, insert, or update queries,
   <span class="function"><strong>ingres_num_rows()</strong></span> returns the number of rows
   affected by the query. For other queries,
   <span class="function"><strong>ingres_num_rows()</strong></span> returns the number of rows
   in the query&#039;s result.
  </p>
 </div>


 <div class="refsect1 seealso" id="refsect1-function.ingres-num-rows-seealso">
  <h3 class="title">参见</h3>
  <p class="para">
   <ul class="simplelist">
    <li class="member"><span class="function"><a href="function.ingres-query.html" class="function" rel="rdfs-seeAlso">ingres_query()</a> - Send an SQL query to Ingres</span></li>
    <li class="member"><span class="function"><a href="function.ingres-fetch-array.html" class="function" rel="rdfs-seeAlso">ingres_fetch_array()</a> - Fetch a row of result into an array</span></li>
    <li class="member"><span class="function"><a href="function.ingres-fetch-assoc.html" class="function" rel="rdfs-seeAlso">ingres_fetch_assoc()</a> - Fetch a row of result into an associative array</span></li>
    <li class="member"><span class="function"><a href="function.ingres-fetch-object.html" class="function" rel="rdfs-seeAlso">ingres_fetch_object()</a> - Fetch a row of result into an object</span></li>
    <li class="member"><span class="function"><a href="function.ingres-fetch-row.html" class="function" rel="rdfs-seeAlso">ingres_fetch_row()</a> - Fetch a row of result into an enumerated array</span></li>
   </ul>
  </p>
 </div>


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